package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.springmvc.LeaseException;
import com.atguigu.lease.model.entity.*;
import com.atguigu.lease.model.enums.ItemType;
import com.atguigu.lease.web.admin.mapper.ApartmentInfoMapper;
import com.atguigu.lease.web.admin.service.*;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentDetailVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentItemVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentQueryVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentSubmitVo;
import com.atguigu.lease.web.admin.vo.graph.GraphVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * @author liubo
 * @description 针对表【apartment_info(公寓信息表)】的数据库操作Service实现
 * @createDate 2023-07-24 15:48:00
 */
@Service
public class ApartmentInfoServiceImpl extends ServiceImpl<ApartmentInfoMapper, ApartmentInfo>
        implements ApartmentInfoService {
    @Autowired
    private ApartmentInfoMapper apartmentInfoMapper;
    @Autowired
    private GraphInfoService graphInfoService;
    @Autowired
    private ApartmentFacilityService apartmentFacilityService;
    @Autowired
    private ApartmentLabelService apartmentLabelService;
    @Autowired
    private ApartmentFeeValueService apartmentFeeValueService;
    @Autowired
    private ProvinceInfoService provinceInfoService;
    @Autowired
    private CityInfoService cityInfoService;
    @Autowired
    private DistrictInfoService districtInfoService;
    //删除公寓带子表房间属性
    @Autowired
    private RoomInfoService roomInfoService;
    @Override
    public void customPage(Page<ApartmentItemVo> page, ApartmentQueryVo queryVo) {
        apartmentInfoMapper.customSelectPage(page,queryVo);
    }

    @Override
    public void customSaveOrUpdate(ApartmentSubmitVo apartmentSubmitVo) {
        //1.判断是保存还是更新
        boolean isUpdated = apartmentSubmitVo.getId() != null;
        //2.调用mybatisplus.service的保存和更新方法
        ProvinceInfo provinceInfo = provinceInfoService.getById(apartmentSubmitVo.getProvinceId());
        CityInfo cityInfo = cityInfoService.getById(apartmentSubmitVo.getCityId());
        DistrictInfo districtInfo = districtInfoService.getById(apartmentSubmitVo.getDistrictId());
        apartmentSubmitVo.setProvinceName(provinceInfo.getName());
        apartmentSubmitVo.setCityName(cityInfo.getName());
        //直筒子市
        apartmentSubmitVo.setDistrictName(districtInfo.getName());


        /*
        apartmentInfo的父类：1，不知道操作哪个表，2多了四个集合会不会找四个列
                1.根据service泛型指定的实体类，找对应的表
                2.不会，指定了类型，会向下转型，去掉多余属性（集合）
         */
        saveOrUpdate(apartmentSubmitVo);
        //3.如果是更新，根据
        if(isUpdated){
            //删除图片
            LambdaQueryWrapper<GraphInfo> graphInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
            graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemId,apartmentSubmitVo.getId());
            graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemType, ItemType.APARTMENT);
            graphInfoService.remove(graphInfoLambdaQueryWrapper);
            //删除配套
            LambdaQueryWrapper<ApartmentFacility> apartmentFacilityLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentFacilityLambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,apartmentSubmitVo.getId());
            apartmentFacilityService.remove(apartmentFacilityLambdaQueryWrapper);
            //删除标签
            LambdaQueryWrapper<ApartmentLabel> apartmentLabelLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentLabelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,apartmentSubmitVo.getId());
            apartmentLabelService.remove(apartmentLabelLambdaQueryWrapper);
            //删除杂费
            LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,apartmentSubmitVo.getId());
            apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);
        }
        //4.最终一定要重新插入中间表的关联数据 注意 图片类型本次固定是公寓
        //图片的保存
        List<GraphVo> graphVoList = apartmentSubmitVo.getGraphVoList();
        if(!CollectionUtils.isEmpty(graphVoList)){
            List<GraphInfo> graphInfoList = new ArrayList<>(graphVoList.size());
            for (GraphVo graphVo : graphVoList) {
                GraphInfo graphInfo = new GraphInfo();
                graphInfo.setName(graphVo.getName());
                graphInfo.setUrl(graphVo.getUrl());
                graphInfo.setItemId(apartmentSubmitVo.getId());
                graphInfo.setItemType(ItemType.APARTMENT);
                graphInfoList.add(graphInfo);
            }
            graphInfoService.saveBatch(graphInfoList);
        }
        //公寓配套的保存
        List<Long> facilityInfoIds = apartmentSubmitVo.getFacilityInfoIds();
        if (!CollectionUtils.isEmpty(facilityInfoIds)) {
            List<ApartmentFacility> apartmentFacilityList = new ArrayList<>(facilityInfoIds.size());
            for (Long facilityInfoId : facilityInfoIds) {
                ApartmentFacility apartmentFacility = ApartmentFacility.builder()
                        .facilityId(facilityInfoId)
                        .apartmentId(apartmentSubmitVo.getId())
                        .build();
                apartmentFacilityList.add(apartmentFacility);
            }
            apartmentFacilityService.saveBatch(apartmentFacilityList);
        }
        //公寓标签的保存
        List<Long> labelIds = apartmentSubmitVo.getLabelIds();
        if (!CollectionUtils.isEmpty(labelIds)) {
            List<ApartmentLabel> apartmentLabelList  = new ArrayList<>(labelIds.size());
            for (Long labelId : labelIds) {
                ApartmentLabel apartmentLabel = ApartmentLabel.builder()
                        .labelId(labelId)
                        .apartmentId(apartmentSubmitVo.getId())
                        .build();
                apartmentLabelList.add(apartmentLabel);
            }
            apartmentLabelService.saveBatch(apartmentLabelList);
        }
        //公寓杂费值保存
        List<Long> feeValueIds = apartmentSubmitVo.getFeeValueIds();
        if (!CollectionUtils.isEmpty(feeValueIds)) {
            List<ApartmentFeeValue> apartmentFeeValueList = new ArrayList<>(feeValueIds.size());
            for (Long feeValueId : feeValueIds) {
                ApartmentFeeValue apartmentFeeValue = ApartmentFeeValue.builder()
                        .feeValueId(feeValueId)
                        .apartmentId(apartmentSubmitVo.getId())
                        .build();
                apartmentFeeValueList.add(apartmentFeeValue);
            }
            apartmentFeeValueService.saveBatch(apartmentFeeValueList);
        }

    }

    @Override
    public ApartmentDetailVo customGetById(Long id) {
        return apartmentInfoMapper.customSelectById(id);
    }
    @Override
    public void customRemoveById(Long id) {
        //1.判断是否存在房间
        LambdaQueryWrapper<RoomInfo> roomInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
        roomInfoLambdaQueryWrapper.eq(RoomInfo::getApartmentId,id);
        long count = roomInfoService.count(roomInfoLambdaQueryWrapper);
        if (count > 0) {
            throw new LeaseException(ResultCodeEnum.DELETE_ERROR);
        }
        //2.删除中间表
        /*
        可以提取一个公共方法
         */
        //删除图片
        LambdaQueryWrapper<GraphInfo> graphInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
        graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemId,id);
        graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemType,ItemType.APARTMENT);
        graphInfoService.remove(graphInfoLambdaQueryWrapper);
        //删除配套
        LambdaQueryWrapper<ApartmentFacility> apartmentFacilityLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentFacilityLambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,id);
        apartmentFacilityService.remove(apartmentFacilityLambdaQueryWrapper);
        //删除标签
        LambdaQueryWrapper<ApartmentLabel> apartmentLabelLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentLabelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,id);
        apartmentLabelService.remove(apartmentLabelLambdaQueryWrapper);
        //删除杂费
        LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,id);
        apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);
        //3.删除公寓数据
        removeById(id);
    }
}




